CN115161046A - Automatic silo discharging tracking method - Google Patents
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- CN115161046A CN115161046A CN202210782676.5A CN202210782676A CN115161046A CN 115161046 A CN115161046 A CN 115161046A CN 202210782676 A CN202210782676 A CN 202210782676A CN 115161046 A CN115161046 A CN 115161046A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007599 discharging Methods 0.000 title 1
- 239000003245 coal Substances 0.000 claims abstract description 249
- 238000002156 mixing Methods 0.000 claims abstract description 156
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000010835 comparative analysis Methods 0.000 claims abstract description 4
- 238000004939 coking Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 238000012546 transfer Methods 0.000 claims description 9
- 230000003203 everyday effect Effects 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 2
- 238000007619 statistical method Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 10
- 238000001514 detection method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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- 238000003908 quality control method Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B41/00—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke
- C10B41/005—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke for charging coal
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Abstract
The invention relates to a silo blanking automatic tracking method, which belongs to the silo blanking field, and the invention collects the coal blending time in each coal blending blanking, records the information of coal tower number, coal silo blanking amount, planned coal blending ratio and the like, carries out statistical analysis on the actual coal blending condition of each time, carries out comparative analysis with the planned coal blending ratio, checks the difference between the planned coal blending ratio and the actual coal blending ratio of each silo or the difference between the planned ratio and the actual ratio of each variety, can quickly know the difference between the actual ratio and the planned ratio of each coal blending, and guides production.
Description
Technical Field
The invention belongs to the field of silo blanking, and relates to a silo blanking automatic tracking method.
Background
After entering a silo, the coking coal is fed according to a coal blending scheme and finally enters a coal tower. Coking coal in the silo is influenced by factors such as hanging materials and the like, and the blanking flow of the coking coal fluctuates, so that the deviation exists between the actual coal blending ratio and the planned coal blending ratio of each blending. At present, silo blanking is manually counted according to shifts to obtain actual shift proportioning, the starting time and the ending time of each batch in each shift, the weight of coal blending, the number of coal entering a coal tower and the difference between the actual coal blending ratio of each batch and the planned coal blending ratio cannot be inquired, and coal blending tracking and coke quality prediction are not facilitated.
Disclosure of Invention
In view of this, the present invention aims to provide an automatic tracking method for silo blanking, which realizes fast query of actual proportioning and planned proportioning entering different coal towers in different time periods of the same shift, realizes execution tracking of coal blending ratio, and guides coal blending.
In order to achieve the purpose, the invention provides the following technical scheme:
a silo blanking automatic tracking method comprises the following steps:
s1: inputting a coal blending plan adjustment scheme into a central control system, generating a coal blending plan number, sending the coal blending plan number to an intermediate management system, and sending the coal blending plan number to a field operation system after auditing;
s2: after receiving the latest coal blending plan, the field operation system prompts a manager that the latest coal blending scheme appears;
s3: checking whether a new coal blending plan number issued by the central control system exists or not in the field operation system, checking material varieties and corresponding coal blending ratios if the new coal blending plan number exists, and starting execution time, scheme adjustment reasons and special remark requirements;
s4: confirming whether the corresponding coking coal varieties of all silos are correct;
s5: selecting a coal blending plan number in a field operation system, and automatically ending the last coal blending plan number when the coal blending plan number is selected to be the latest one; selecting a silo number, a belt stockline, a material transfer stockline and a coal tower number, sending the silo number, the belt stockline, the material transfer stockline and the coal tower number to an intermediate management system, and forwarding the intermediate management system to a central control system;
s6: inputting a silo dry basis ratio in a field operation system, generating a wet basis ratio, sending the wet basis ratio to an intermediate management system, forwarding the intermediate management system to a central control system, and prompting in the intermediate management system and the field operation system if the sum of the base ratios is not 100%;
s7: starting a belt through a field operation system, starting coal blending, generating coal blending time, reading the weight of the belt below each silo by an intermediate management system according to a certain time, and forwarding the weight to a central control system;
s8: after coal blending is finished, generating coal blending finishing time, and stopping belt transfer;
s9: the intermediate management system sends each batching actual result to the central control system, and the sending content comprises batching plan numbers, batching starting time, batching ending time, planned proportioning of all silos, corresponding manufacturing codes of all silos, actual blanking weights of all silos and coal tower numbers;
s10: and the central control system respectively calculates the difference between each coal blending, each coal blending or the planned blending ratio and the actual blending ratio every day according to the manufacturing code and the silo number, and queries.
Further, the coal blending plan adjusting scheme in the step S1 includes material variety, coal blending ratio, execution starting time and scheme adjusting reason.
Further, in step S8, the intermediate management system reads the batching completion time, and determines the silo blanking weight according to the weighing of the belt scale below each coal bunker disc feeder; after the batching is finished, the intermediate management system sends each batching actual result to the central control system, and the sending content comprises a batching plan number, batching starting time, batching finishing time, planned proportioning of all silos, corresponding manufacturing codes of all silos, actual result blanking weight of all silos and coal tower numbers.
Furthermore, the number of the coal bin is correspondingly associated with the name of the coking coal, if the silo needs to replace the variety of the coking coal, the silo is changed in the field operating system, the field operating system sends the name change to the intermediate management system, and the intermediate management system receives the information and forwards the information to the central control system.
Further, the silo baiting enters the coal tower number identification; before coal blending begins, different trends of a belt material line are set, a coal tower number is selected to enter, a field operation system judges whether the coal tower number entering is correct or not according to the route of a coal bunker blanking belt line, and if the coal tower number entering is wrong, prompt is given and correction is required.
Further, according to the coal blending plan number, the on-site operation system inputs the dry basis proportion of the baiting of each silo, and the wet basis proportion, the dry basis flow and the wet basis flow are automatically calculated.
Further, the field operation system comprises an automatic control system and a manual control system; the automatic control system is used for automatically controlling according to the set wet basis flow after coal blending is started, and automatically adjusting the flow until the actual flow reaches a specified range if the actual flow exceeds a certain range of positive and negative set flows; the manual control system is used for blanking according to the set flow after coal blending is started, and the actual flow is adjusted manually if the actual flow does not meet the requirement.
Further, the intermediate management system collects the weight of the belt below each coal bunker disc feeder and extracts the weight change according to a certain time; subtracting the previous collected weight from the next collected weight to obtain the blanking amount in the period of time; the coal blending starting time and the coal blending ending time are sent to an intermediate management system through a field operation system, and the intermediate management system forwards the intermediate management system to a central control system; the information related to the blanking weight, the planned proportion number and the coal tower number of each coal bunker of the coal blending is sent to the central control system by the middle management system.
Further, the central control system compares the planned dry basis proportion, the planned wet basis proportion, the actual dry basis proportion and the actual wet basis proportion according to all the silos, and checks the blanking execution condition of all the silos at the time; and the central control system calculates the actual dry-basis ratio and the actual wet-basis ratio of each variety of the batch according to the actual blanking ratio of each silo and the coking coal variety corresponding to each silo, and performs comparative analysis according to the assigned coal blending ratio in the coal blending plan number to obtain the difference between the actual coal blending ratio and the planned coal blending ratio of each variety of coal blending.
The invention has the beneficial effects that: the invention realizes the function of quickly inquiring the difference between the actual coal blending ratio and the theoretical coal blending ratio, and is beneficial to guiding coal blending and coke quality control.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a flow chart of the silo blanking automatic tracking method of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and embodiments may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the main purpose of the present invention is to realize fast query of actual mixture ratio and planned mixture ratio when entering different coal towers in different time periods of the same shift, to realize execution tracking of coal mixture ratio, and to guide coal mixture.
When coal blending is carried out in a silo, the coal blending time is collected during each coal blending blanking, the information such as the number of a coal tower, the blanking amount of a coal bunker, the planned coal blending ratio and the like is recorded, the actual condition of each coal blending is subjected to statistical analysis, the statistical analysis is carried out by comparing the actual condition with the planned coal blending ratio, and the difference between the planned coal blending ratio and the actual coal blending ratio of each coal bunker and the difference between the planned coal blending ratio and the actual coal blending ratio of each variety are checked. The difference between the actual proportioning and the planned proportioning of each coal blending can be quickly known to guide production.
In the present invention, there is a three stage system: a central control system, an intermediate management system and a field operation system. The field operation system is a system for directly controlling and acquiring data of field equipment at the front end, and the intermediate management system is used for inputting and managing the data acquired by the field operation system, carrying out simple processing, uploading the data to the central control system, receiving instructions and data sent by the central control system and managing the input data of the field operation system; the central control system has the highest authority, all plans, plant data calculation and management are carried out in the central control system, after the plans are finished, information which is not confidential is issued to the middle management system for display, and field operators operate the field operation system according to instructions displayed in the middle management system, so that field equipment is controlled to execute tasks.
1. The coal bin number is associated with the coking coal product name. And (4) inputting the coking coal varieties contained in the silos into the field operation system by an operator. If the silo changes the coking coal variety, the field operation system sends the name change to the intermediate management system, and the intermediate management system receives the information and forwards the information to the central control system.
2. The silo baiting enters the coal tower number identification. After being discharged, the silo is transported through different belt material lines and finally enters different coal towers. Each belt line transfer can be combined with 2 other lines to form a belt transport line. Thus, if the silo is discharged, passingTransfer in N belts can occur 2 N And a belt transportation mode reaches the coal tower. Before coal blending begins, workers set different trends of a belt material line and select a coal tower number to enter. And the field operation system judges whether the number of the coal tower is correct or not according to the route of the coal bunker blanking belt line, and prompts and requires to correct if the number of the coal tower is wrong.
3. In a coal blending system, the number of silos is large, and each silo is provided with 6 feed openings, so that each coal silo cannot be selected to enter a coal tower number. Because there are 2 unloading main belts under every silo, all have 3 disc feeders on every main belt. Therefore, the feeding of each silo into the same main belt is selected, and the operation quantity is reduced. The selection mode is as follows:
| number of coal bunker | Belt stockline | Coal tower |
| 1#-8# | H101/H102 | 1# coal tower/2 # coal tower/3 # coal tower |
| 9#-16# | H103/H104 | 1# coal tower/2 # coal tower/3 # coal tower |
4. And (5) determining a coal blending scheme. And the central control system inputs a coal blending plan adjusting scheme. The scheme comprises material variety, coal blending ratio, starting execution time and scheme adjustment reason, and meanwhile, generating a coal blending plan number and sending the coal blending plan number to an intermediate management system, wherein a responsible person of the intermediate management system carries out auditing and sends the audited coal blending plan number to a field operation system. And after receiving the latest coal blending plan, the field operating system prompts, and field personnel know the latest coal blending scheme according to the prompt. When the coal blending scheme needs to be executed, field personnel select a coal blending plan number in a field operation system, and when the coal blending plan number is selected to be the latest, the last coal blending plan number is automatically finished.
5. And calculating the wet basis coal blending ratio and the wet basis flow. And inputting the blanking dry basis proportion of each silo by the field operation system according to the coal blending plan number, and automatically calculating by the system to obtain the wet basis proportion, the dry basis flow and the wet basis flow.
The wet basis proportion calculation principle is as follows: and the field operation system is used for transferring the moisture of the coking coal below each coal bunker in the central control system. And (3) finding the latest coking coal moisture of the coal bunker by taking the current dry basis input time as the ending time according to the moisture reading principle. Wet basis ratio = dry basis ratio/(1-moisture)
Wet basis flow = main belt total flow:wetbasis ratio
6. The flow control system of the field operation system is divided into an automatic control system and a manual control system. An automatic control system: and automatically controlling according to the set wet base flow after coal blending is started, and if the actual flow exceeds the set flow plus or minus a certain range, adjusting the flow by the system until the actual flow reaches the specified range. Manual control system: and (4) blanking according to the set flow after the coal blending is started, and manually adjusting if the actual flow does not meet the requirement.
7. The middle management system collects the weight of the belt below each coal bunker disc feeder and extracts the weight change according to a certain time. And subtracting the previous collected weight from the next collected weight to obtain the blanking amount in the period of time. The coal blending starting time and the coal blending ending time are sent to the intermediate management system through the intermediate management system, and the intermediate management system forwards the coal blending starting time and the coal blending ending time to the central control system. The relevant information of the blanking weight, the plan proportion, the proportion plan number, the coal tower number and the like of each coal bunker of the secondary coal blending is sent to the central control system by the middle management system.
8. The central control system compares the planned dry basis proportion, the planned wet basis proportion, the actual dry basis proportion and the actual wet basis proportion according to all silos, and the feeding execution condition of all silos at the time is convenient to check. The central control system calculates the actual dry-basis ratio and the actual wet-basis ratio of each variety of the batch corresponding to the coking coal variety according to the actual charging ratio of each silo, and performs comparative analysis according to the assigned coal blending ratio in the coal blending plan number, wherein the actual coal blending ratio and the planned coal blending ratio of each variety of coal blending are different.
By the measures, the execution condition tracking of coal blending ratio of each time and the execution tracking of coal blending of each shift and each day under the same bin are realized.
Example (b):
1. and the central control system inputs a coal blending plan adjusting scheme. The scheme comprises material variety, coal blending ratio, starting execution time and scheme adjustment reason, and meanwhile, generating a coal blending plan number and sending the coal blending plan number to an intermediate management system, wherein a responsible person of the intermediate management system carries out auditing and sends the audited coal blending plan number to a field operation system.
2. And the intermediate management system sends the checked coal to the field operating system, the field operating system receives the latest coal blending plan and then prompts the site operating system, and field personnel know the latest coal blending scheme according to the prompt.
3. And checking whether a new coal blending plan number issued by the central control system exists or not by an operator in the field operation system, checking the material variety and the corresponding coal blending ratio if the new coal blending plan number exists, and starting execution time, scheme adjustment reasons and special remark requirements.
4. And the field personnel confirm whether the coking coal variety corresponding to each silo is correct or not.
5. And (3) selecting a coal blending plan number by the field operation system (when the coal blending plan number is selected to be the latest, automatically finishing the last coal blending plan number, selecting a silo number, a belt stockline, a material transfer stockline and a coal tower number, sending an intermediate management system, and forwarding the intermediate management system to the central control system.
6. The on-site operation system inputs silo dry-basis proportion, the system automatically generates wet-basis proportion, and sends the wet-basis proportion to the intermediate management system, and the intermediate management system forwards the central control system. If the sum of the base proportion is not 100 percent, prompting is carried out.
7 starting the belt, clicking to start coal blending to generate coal blending time, and reading the weighing of the belt below each silo by the intermediate management system according to a certain time.
8. And (4) clicking the coal blending end by the field operator in the intermediate management system, indicating that the coal blending is finished at the moment, generating coal blending end time, and stopping belt transfer. And the middle management system judges the blanking weight according to the measured weight of the belt scale below each coal bunker disc feeder. After the batching is finished, the intermediate management system sends the batching actual results to the central control system. The transmitting content comprises a batching plan number, batching starting time, batching ending time, planned proportioning of all silos, corresponding manufacturing codes of all silos, actual performance blanking weight of all silos and coal tower numbers.
9. And the central control system respectively calculates the difference between each coal blending, each coal blending or the planned blending ratio and the actual blending ratio every day according to the manufacturing code and the silo number, and queries.
Matching actual results: the production unit code, the batching plan number, the effective time, the stockline, the starting time, the stopping time and the like can be used as query conditions for querying, and the query details comprise the production unit code, the batching plan number, the effective time, the stockline, the starting time, the stopping time, the plan proportion and the actual performance proportion, and are shown in table 1.
TABLE 1
The operation steps are as follows: the coal blending operator selects a production unit, a blending plan number (the system automatically takes the effective time), and a stockline.
Clicking any position of the production unit code line C (except for a single-bin proportioning column), comparing the planned proportioning and the actual proportioning of the ingredients at this time, and obtaining a result shown in a table 2:
TABLE 2
Note: 1) The mixture ratio difference is between-1% and 1%, and the normal display is carried out; 2) The mixture ratio difference is more than 1 percent and less than or equal to 2 percent, the mixture ratio difference is more than or equal to 2 percent and less than-1 percent, and the yellow color is displayed; 3) The proportion difference is more than 2 percent, the proportion difference is less than-2 percent, and the red color is displayed.
Clicking the production unit code to be a C-row single-bin proportioning column, comparing the planned proportioning and the actual proportioning of each coal bin of the ingredient at this time, and obtaining the results as shown in tables 3 and 4:
TABLE 3
TABLE 4
Note: 1) The mixture ratio difference is between-1% and 1%, and the normal display is carried out; 2) The mixture ratio difference is more than 1 percent and less than or equal to 2 percent, the mixture ratio difference is more than or equal to 2 percent and less than-1 percent, and the yellow color is displayed; 3) The proportion difference is more than 2 percent and less than-2 percent, and the red color is displayed.
The dry basis proportion of the coal tower is as follows: and inquiring the plan proportion and actual result proportion comparison of each coal bunker by taking the coal blending date, shift and coal tower number as inquiry conditions.
1) The single-bin coal moisture of each coal bin is recorded into the detection and testing system by the detection and testing personnel every day, the detection and testing system sends the single-bin coal moisture to the central control system, the central control system sends the single-bin coal moisture to the intermediate management system, and the intermediate management system reads the single-bin coal moisture.
2) And (4) inputting the dry-basis ratio of the single bin by a coal blending operator, and automatically calculating by the system according to the moisture of the coal in the single bin to obtain the planned wet-basis ratio. If the moisture of the single-bin coal is not received in time on the same day, the moisture of the single-bin coal is obtained from the last received moisture, namely the moisture of the single-bin coal is obtained from the latest received moisture detection result, as shown in tables 5 and 6.
3) And setting a total proportioning function, summing the dry-basis coal proportioning ratios of all the coal bins, and prompting if the total proportioning is not 100%.
TABLE 5
TABLE 6
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A silo blanking automatic tracking method is characterized by comprising the following steps: the method comprises the following steps:
s1: inputting a coal blending plan adjustment scheme into a central control system, generating a coal blending plan number, sending the coal blending plan number to an intermediate management system, and sending the coal blending plan number to a field operation system after auditing;
s2: after receiving the latest coal blending plan, the field operation system prompts a manager that the latest coal blending scheme appears;
s3: checking whether a new coal blending plan number issued by the central control system exists or not in the field operation system, checking material varieties and corresponding coal blending ratios if the new coal blending plan number exists, and starting execution time, scheme adjustment reasons and special remark requirements;
s4: confirming whether the corresponding coking coal varieties of all silos are correct;
s5: selecting a coal blending plan number in a field operation system, and automatically ending the last coal blending plan number when the coal blending plan number is selected to be the latest; selecting a silo number, a belt stockline, a material transfer stockline and a coal tower number, sending the silo number, the belt stockline, the material transfer stockline and the coal tower number to an intermediate management system, and forwarding the intermediate management system to a central control system;
s6: inputting silo dry-basis proportion in a field operation system, generating wet-basis proportion, sending the wet-basis proportion to an intermediate management system, forwarding the intermediate management system to a central control system, and prompting in the intermediate management system and the field operation system if the sum of the dry-basis proportion is not 100%;
s7: starting a belt through a field operation system, starting coal blending, generating coal blending time, reading the weight of the belt below each silo by an intermediate management system according to a certain time, and forwarding the weight to a central control system;
s8: after coal blending is finished, generating coal blending finishing time, and stopping belt transfer;
s9: the intermediate management system sends each batching actual result to the central control system, and the sending content comprises a batching plan number, batching starting time, batching ending time, planned proportioning of all silos, corresponding manufacturing codes of all silos, actual blanking weight of all silos and coal tower number;
s10: and the central control system respectively calculates the difference between each coal blending, each coal blending or the planned blending ratio and the actual blending ratio every day according to the manufacturing code and the silo number, and queries.
2. The method for automatically tracking silo blanking as claimed in claim 1, wherein the method comprises the following steps: the coal blending plan adjusting scheme in the step S1 comprises material varieties, coal blending ratio, starting execution time and scheme adjusting reasons.
3. The method for automatically tracking silo blanking as claimed in claim 1, wherein the method comprises the following steps: in the step S8, the intermediate management system reads the batching completion time and judges the silo blanking weight according to the weighing of the belt scale below each coal bunker disc feeder; after the batching is finished, the intermediate management system sends each batching actual result to the central control system, and the sending content comprises a batching plan number, batching starting time, batching finishing time, planned proportioning of all silos, corresponding manufacturing codes of all silos, actual performance blanking weight of all silos and coal tower numbers.
4. The method for automatically tracking silo blanking as claimed in claim 1, wherein the method comprises the following steps: the number of the coal bin is correspondingly associated with the name of the coking coal, if the silo needs to replace the variety of the coking coal, the number of the coal bin is changed in the field operating system, the field operating system sends the name change to the intermediate management system, and the intermediate management system receives the information and forwards the information to the central control system.
5. The method for automatically tracking silo blanking as claimed in claim 1, wherein the method comprises the following steps: the silo blanking enters the coal tower number identification; before coal blending begins, different trends of a belt material line are set, a coal tower number is selected to enter, a field operation system judges whether the coal tower number entering is correct or not according to the route of a coal bunker blanking belt line, and if the coal tower number entering is wrong, prompt is given and correction is required.
6. The automatic silo blanking tracking method of claim 1, wherein: and inputting the dry-basis ratio of the baiting of each silo by the field operation system according to the coal blending plan number, and automatically calculating to obtain the wet-basis ratio, the dry-basis flow and the wet-basis flow.
7. The method for automatically tracking silo blanking as claimed in claim 1, wherein the method comprises the following steps: the field operation system comprises an automatic control system and a manual control system; the automatic control system is used for automatically controlling according to the set wet basis flow after coal blending is started, and automatically adjusting the flow until the actual flow reaches a specified range if the actual flow exceeds a certain range of positive and negative set flows; the manual control system is used for blanking according to the set flow after coal blending is started, and the actual flow is adjusted manually if the actual flow does not meet the requirement.
8. The automatic silo blanking tracking method of claim 1, wherein: the middle management system collects the weight of a belt below each coal bunker disc feeder and extracts the weight change according to a certain time; subtracting the previous collected weight from the next collected weight to obtain the blanking amount in the period of time; the coal blending starting time and the coal blending ending time are sent to an intermediate management system through a field operation system, and the intermediate management system forwards the intermediate management system to a central control system; the information related to the blanking weight, the planned proportion number and the coal tower number of each coal bunker of the coal blending is sent to the central control system by the middle management system.
9. The automatic silo blanking tracking method of claim 1, wherein: the central control system compares the planned dry basis proportion, the planned wet basis proportion, the actual dry basis proportion and the actual wet basis proportion according to all silos and checks the blanking execution condition of all the silos at the time; and the central control system calculates the actual dry-basis ratio and the actual wet-basis ratio of each variety of the batch according to the actual charging ratio of each silo and the corresponding coking coal variety of each silo, and performs comparative analysis according to the assigned coal blending ratio in the coal blending plan number to obtain the difference between the actual coal blending ratio and the planned coal blending ratio of each variety of coal blending.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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